java.lang.IllegalArgumentException: Called DataObject.find on null at org.openide.loaders.DataObject.find(DataObject.java:513) at org.netbeans.modules.hibernate.wizards.HibernateCodeGenWizardDescriptor.isValid(HibernateCodeGenWizardDescriptor.java:125) at org.openide.WizardDescriptor.updateStateOpen(WizardDescriptor.java:888) at org.openide.WizardDescriptor.updateState(WizardDescriptor.java:832) at org.openide.loaders.TemplateWizard.updateState(TemplateWizard.java:760) at org.netbeans.modules.project.ui.NewFileWizard.updateState(NewFileWizard.java:122) at org.openide.WizardDescriptor$Listener.stateChanged(WizardDescriptor.java:2050) at org.openide.util.WeakListenerImpl$Change.stateChanged(WeakListenerImpl.java:329) at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:133) at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:119) at org.netbeans.modules.project.ui.TemplateChooserPanel.stateChanged(TemplateChooserPanel.java:182) at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:133) at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:119) at org.netbeans.modules.project.ui.TemplateChooserPanelGUI.fireChange(TemplateChooserPanelGUI.java:171) at org.netbeans.modules.project.ui.TemplateChooserPanelGUI.access$400(TemplateChooserPanelGUI.java:88) at org.netbeans.modules.project.ui.TemplateChooserPanelGUI$FileChooserBuilder.fireChange(TemplateChooserPanelGUI.java:383) at org.netbeans.modules.project.ui.TemplatesPanelGUI.propertyChange(TemplatesPanelGUI.java:335) at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:339) at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:276) at java.awt.Component.firePropertyChange(Component.java:8154) at org.netbeans.modules.project.ui.TemplatesPanelGUI$ExplorerProviderPanel.access$700(TemplatesPanelGUI.java:466) at org.netbeans.modules.project.ui.TemplatesPanelGUI$ExplorerProviderPanel$1.run(TemplatesPanelGUI.java:542) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209) at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:641) at java.awt.EventQueue.access$000(EventQueue.java:84) at java.awt.EventQueue$1.run(EventQueue.java:602) at java.awt.EventQueue$1.run(EventQueue.java:600) at java.security.AccessController.doPrivileged(AccessController.java:0) at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87) at java.awt.EventQueue.dispatchEvent(EventQueue.java:611) at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:153) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:178) at java.awt.Dialog$1.run(Dialog.java:1046) at java.awt.Dialog$3.run(Dialog.java:1098) at java.security.AccessController.doPrivileged(AccessController.java:0) at java.awt.Dialog.show(Dialog.java:1096) at org.netbeans.core.windows.services.NbPresenter.superShow(NbPresenter.java:1038) at org.netbeans.core.windows.services.NbPresenter.doShow(NbPresenter.java:1072) at org.netbeans.core.windows.services.NbPresenter.run(NbPresenter.java:1060) at org.netbeans.core.windows.services.NbPresenter.run(NbPresenter.java:126) at org.openide.util.Mutex$1AWTWorker.run(Mutex.java:1377) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:199) at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:641) at java.awt.EventQueue.access$000(EventQueue.java:84) at java.awt.EventQueue$1.run(EventQueue.java:602) at java.awt.EventQueue$1.run(EventQueue.java:600) at java.security.AccessController.doPrivileged(AccessController.java:0) at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87) at java.awt.EventQueue.dispatchEvent(EventQueue.java:611) at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:153) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161) at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)